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{-
Copyright (C) 2006-2015 John MacFarlane <jgm@berkeley.edu>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-}
import Distribution.Simple
import Distribution.Simple.PreProcess
import Distribution.Simple.InstallDirs (mandir)
import Distribution.PackageDescription (PackageDescription(..), Executable(..))
import System.Process ( rawSystem )
import System.FilePath ( (</>) )
import System.Directory ( findExecutable )
import Distribution.Simple.Utils (info, notice, rawSystemExit, installOrdinaryFiles)
import Distribution.Simple.Setup
import Distribution.Simple.LocalBuildInfo
import Distribution.Verbosity
main :: IO ()
main = defaultMainWithHooks $ simpleUserHooks {
-- enable hsb2hs preprocessor for .hsb files
hookedPreProcessors = [ppBlobSuffixHandler]
, postBuild = \args bf pkgdescr lbi ->
makeManPage args bf pkgdescr lbi
, postCopy = \_ flags pkg lbi ->
installManpage pkg lbi (fromFlag $ copyVerbosity flags)
NoCopyDest
}
ppBlobSuffixHandler :: PPSuffixHandler
ppBlobSuffixHandler = ("hsb", \_ _ ->
PreProcessor {
platformIndependent = True,
runPreProcessor = mkSimplePreProcessor $ \infile outfile verbosity ->
do info verbosity $ "Preprocessing " ++ infile ++ " to " ++ outfile
hsb2hsPath <- findExecutable "hsb2hs"
case hsb2hsPath of
Just p -> rawSystem p [infile, infile, outfile]
Nothing -> error "hsb2hs is needed to build this program: cabal install hsb2hs"
return ()
})
makeManPage :: Args -> BuildFlags -> PackageDescription -> LocalBuildInfo
-> IO ()
makeManPage _ bf _ LocalBuildInfo{buildDir=buildDir}
= do notice verbosity "Creating man/pandoc.1"
rawSystemExit verbosity progPath args
where verbosity = fromFlagOrDefault normal $ buildVerbosity bf
progPath = buildDir </> "pandoc" </> "pandoc"
args = ["README", "-t", "man", "-s",
"--template", "man/pandoc.1.template",
"--filter", "man/capitalizeHeaders.hs",
"--filter", "man/removeNotes.hs",
"--filter", "man/removeLinks.hs",
"-o", "man/pandoc.1"]
installManpage :: PackageDescription -> LocalBuildInfo
-> Verbosity -> CopyDest -> IO ()
installManpage pkg lbi verbosity copy = do
let mandest = mandir (absoluteInstallDirs pkg lbi copy) </> "man1"
notice verbosity $ "Copying man page to " ++ mandest
installOrdinaryFiles verbosity mandest [("man", "pandoc.1")]
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